ClassID:

219731

H03F2203/21136 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by; Indexing scheme relating to power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers An input signal of a power amplifier being on/off switched

Recent Application in this class:
#1
20190173438
2019-06-06

Multi-branch outphasing system and method

#2
20190122957
2019-04-25

Amplification apparatus

#3
20190052238
2019-02-14

Circuit module having dual-mode wideband power amplifier architecture

#4
20190044481
2019-02-07

ARCHITECTURE FOR HIGH-BANDWIDTH POWER SUPPLY TO POWER AMPLIFIER (PA) DISTRIBUTION NETWORK

#5
20180226982
2018-08-09

Broadband digital beam forming system including wavefront multiplexers and narrowband digital beam forming modules

#6
20180062592
2018-03-01

Reconfigurable power amplifier

#7
20170373746
2017-12-28

Flexible multi-channel amplifiers via wavefront muxing techniques

#8
20170250653
2017-08-31

Dual-mode envelope tracking power management circuit

#9
20170063389
2017-03-02

Broadband digital beam forming system including wavefront multiplexers and narrowband digital beam forming modules

#10
20160233836
2016-08-11

System and method for a low noise amplifier

#11
20160112018
2016-04-21

Circuits and methods for reducing supply sensitivity in a power amplifier

#12
20150303961
2015-10-22

Multi-branch outphasing system and method

#13
20150280654
2015-10-01

System and method for a low noise amplifier

#14
20150249462
2015-09-03

System for processing data streams

#15
20150171768
2015-06-18

Inverter/power amplifier with capacitive energy transfer and related techniques

#16
20150042403
2015-02-12

High-voltage voltage-switched class-S amplifier

#17
20150015338
2015-01-15

Power amplifier

#18
20140334647
2014-11-13

Dual bridge amplifier configuration

#19
20140218104
2014-08-07

Power amplification device

#20
20140022984
2014-01-23

Flexible multi-channel amplifiers via wavefront muxing techniques

#21
20140015604
2014-01-16

Amplifier circuit, method and mobile communication device

#22
20130190036
2013-07-25

Multi-mode bypass driver amplifier with tunable load matching

#23
20120326784
2012-12-27

Power amplifier

#24
20120319885
2012-12-20

System for processing data streams

#25
20120319772
2012-12-20

Flexible multi-channel amplifiers via wavefront muxing techniques

#26
20110316637
2011-12-29

Amplifier module with multiple operating modes

#27
20110032035
2011-02-10

Amplifier module with multiple operating modes

#28
20100289579
2010-11-18

Switchable input pair operational amplifiers

#29
20100271128
2010-10-28

Composite differential RF power amplifier layout

#30
20100266066
2010-10-21

Power amplifier and radio wave transmitter having the same

#31
20100188146
2010-07-29

High efficiency power amplifier having embedded switching

#32
20100073092
2010-03-25

Method and apparatus for treating a received signal to present a resulting signal with improved signal accuracy

#33
20100029227
2010-02-04

Multi-mode configurable transmitter circuit

#34
20050186919
2005-08-25

Switch apparatus, switchable power amplification apparatus, and mobile communication terminal apparatus using the same